git.sesse.net Git - vlc/blob - modules/codec/dmo/dmo.h

   1 /*****************************************************************************\r
   2  * dmo.h : DirectMedia Object codec module for vlc\r
   3  *****************************************************************************\r
   4  * Copyright (C) 2002, 2003 VideoLAN\r
   5  * $Id$\r
   6  *\r
   7  * Author: Gildas Bazin <gbazin@videolan.org>\r
   8  *\r
   9  * This program is free software; you can redistribute it and/or modify\r
  10  * it under the terms of the GNU General Public License as published by\r
  11  * the Free Software Foundation; either version 2 of the License, or\r
  12  * (at your option) any later version.\r
  13  *\r
  14  * This program is distributed in the hope that it will be useful,\r
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  17  * GNU General Public License for more details.\r
  18  *\r
  19  * You should have received a copy of the GNU General Public License\r
  20  * along with this program; if not, write to the Free Software\r
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.\r
  22  *****************************************************************************/\r
  23 \r
  24 static const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};\r
  25 static const GUID IID_IClassFactory = {0x00000001, 0x0000, 0x0000, {0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46}};\r
  26 static const GUID IID_IMediaObject = {0xd8ad0f58, 0x5494, 0x4102, {0x97, 0xc5, 0xec, 0x79, 0x8e, 0x59, 0xbc, 0xf4}};\r
  27 static const GUID IID_IMediaBuffer = {0x59eff8b9, 0x938c, 0x4a26, {0x82, 0xf2, 0x95, 0xcb, 0x84, 0xcd, 0xc8, 0x37}};\r
  28 static const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  29 static const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  30 static const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  31 static const GUID MEDIASUBTYPE_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};\r
  32 static const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};\r
  33 static const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};\r
  34 static const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  35 static const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  36 \r
  37 #define IUnknown IUnknownHack\r
  38 #define IClassFactory IClassFactoryHack\r
  39 typedef struct _IUnknown IUnknown;\r
  40 typedef struct _IClassFactory IClassFactory;\r
  41 typedef struct _IEnumDMO IEnumDMO;\r
  42 typedef struct _IMediaBuffer IMediaBuffer;\r
  43 typedef struct _IMediaObject IMediaObject;\r
  44 \r
  45 #ifndef STDCALL\r
  46 #define STDCALL __stdcall\r
  47 #endif\r
  48 \r
  49 #define DMO_INPUT_DATA_BUFFER_SYNCPOINT 1\r
  50 #define DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER 1\r
  51 #define DMO_E_NOTACCEPTING 0x80040204\r
  52 \r
  53 /*\r
  54  * DMO types definition\r
  55  */\r
  56 typedef struct\r
  57 #ifdef HAVE_ATTRIBUTE_PACKED\r
  58     __attribute__((__packed__))\r
  59 #endif\r
  60  _DMO_PARTIAL_MEDIATYPE\r
  61 {\r
  62     GUID type;\r
  63     GUID subtype;\r
  64 \r
  65 } DMO_PARTIAL_MEDIATYPE;\r
  66 \r
  67 typedef struct\r
  68 #ifdef HAVE_ATTRIBUTE_PACKED\r
  69     __attribute__((__packed__))\r
  70 #endif\r
  71  _DMO_OUTPUT_DATA_BUFFER\r
  72 {\r
  73     IMediaBuffer *pBuffer;\r
  74     uint32_t dwStatus;\r
  75     REFERENCE_TIME rtTimestamp;\r
  76     REFERENCE_TIME rtTimelength;\r
  77 \r
  78 } DMO_OUTPUT_DATA_BUFFER;\r
  79 \r
  80 typedef struct\r
  81 #ifdef HAVE_ATTRIBUTE_PACKED\r
  82     __attribute__((__packed__))\r
  83 #endif\r
  84  _DMOMediaType\r
  85 {\r
  86     GUID     majortype;\r
  87     GUID     subtype;\r
  88     int      bFixedSizeSamples;\r
  89     int      bTemporalCompression;\r
  90     uint32_t lSampleSize;\r
  91     GUID     formattype;\r
  92     IUnknown *pUnk;\r
  93     uint32_t cbFormat;\r
  94     char     *pbFormat;\r
  95 \r
  96 } DMO_MEDIA_TYPE;\r
  97 \r
  98 /*\r
  99  * IUnknown interface\r
 100  */\r
 101 typedef struct IUnknown_vt\r
 102 {\r
 103     /* IUnknown methods */\r
 104     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,\r
 105                                    void **ppvObject);\r
 106     long (STDCALL *AddRef)(IUnknown *This);\r
 107     long (STDCALL *Release)(IUnknown *This);\r
 108 \r
 109 } IUnknown_vt;\r
 110 struct _IUnknown { IUnknown_vt* vt; };\r
 111 \r
 112 /*\r
 113  * IClassFactory interface\r
 114  */\r
 115 typedef struct IClassFactory_vt\r
 116 {\r
 117     long (STDCALL *QueryInterface)(IUnknown *This, const GUID* riid,\r
 118                                    void **ppvObject);\r
 119     long (STDCALL *AddRef)(IUnknown *This) ;\r
 120     long (STDCALL *Release)(IUnknown *This) ;\r
 121     long (STDCALL *CreateInstance)(IClassFactory *This, IUnknown *pUnkOuter,\r
 122                                    const GUID* riid, void** ppvObject);\r
 123 } IClassFactory_vt;\r
 124 \r
 125 struct _IClassFactory { IClassFactory_vt* vt; };\r
 126 \r
 127 /*\r
 128  * IEnumDMO interface\r
 129  */\r
 130 typedef struct IEnumDMO_vt\r
 131 {\r
 132     /* IUnknown methods */\r
 133     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,\r
 134                                    void **ppvObject);\r
 135     long (STDCALL *AddRef)(IUnknown *This);\r
 136     long (STDCALL *Release)(IUnknown *This);\r
 137 \r
 138     /* IEnumDMO methods */\r
 139     long (STDCALL *Next)(IEnumDMO *This, uint32_t cItemsToFetch,\r
 140                          const GUID *pCLSID, WCHAR **Names,\r
 141                          uint32_t *pcItemsFetched);\r
 142     long (STDCALL *Skip)(IEnumDMO *This, uint32_t cItemsToSkip);\r
 143     long (STDCALL *Reset)(IEnumDMO *This);\r
 144     long (STDCALL *Clone)(IEnumDMO *This, IEnumDMO **ppEnum);\r
 145 \r
 146 } IEnumDMO_vt;\r
 147 struct _IEnumDMO { IEnumDMO_vt* vt; };\r
 148 \r
 149 /*\r
 150  * IMediaBuffer interface\r
 151  */\r
 152 typedef struct IMediaBuffer_vt\r
 153 {\r
 154     /* IUnknown methods */\r
 155     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,\r
 156                                    void **ppvObject);\r
 157     long (STDCALL *AddRef)(IUnknown *This);\r
 158     long (STDCALL *Release)(IUnknown *This);\r
 159 \r
 160     long (STDCALL *SetLength)(IMediaBuffer* This, uint32_t cbLength);\r
 161     long (STDCALL *GetMaxLength)(IMediaBuffer* This, uint32_t *pcbMaxLength);\r
 162     long (STDCALL *GetBufferAndLength)(IMediaBuffer* This,\r
 163                                        char** ppBuffer, uint32_t* pcbLength);\r
 164 \r
 165 } IMediaBuffer_vt;\r
 166 struct _IMediaBuffer { IMediaBuffer_vt* vt; };\r
 167 \r
 168 /*\r
 169  * IMediaObject interface\r
 170  */\r
 171 typedef struct IMediaObject_vt\r
 172 {\r
 173     /* IUnknown methods */\r
 174     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,\r
 175                                    void **ppvObject);\r
 176     long (STDCALL *AddRef)(IUnknown *This);\r
 177     long (STDCALL *Release)(IUnknown *This);\r
 178 \r
 179     /* IEnumDMO methods */\r
 180     long (STDCALL *GetStreamCount)(IMediaObject *This,\r
 181                                    uint32_t *pcInputStreams,\r
 182                                    uint32_t *pcOutputStreams);\r
 183     long (STDCALL *GetInputStreamInfo)(IMediaObject *This,\r
 184                                        uint32_t dwInputStreamIndex,\r
 185                                        uint32_t *pdwFlags);\r
 186     long (STDCALL *GetOutputStreamInfo)(IMediaObject *This,\r
 187                                         uint32_t dwOutputStreamIndex,\r
 188                                         uint32_t *pdwFlags);\r
 189     long (STDCALL *GetInputType)(IMediaObject *This,\r
 190                                  uint32_t dwInputStreamIndex,\r
 191                                  uint32_t dwTypeIndex,\r
 192                                  DMO_MEDIA_TYPE *pmt);\r
 193     long (STDCALL *GetOutputType)(IMediaObject *This,\r
 194                                   uint32_t dwOutputStreamIndex,\r
 195                                   uint32_t dwTypeIndex,\r
 196                                   DMO_MEDIA_TYPE *pmt);\r
 197     long (STDCALL *SetInputType)(IMediaObject *This,\r
 198                                  uint32_t dwInputStreamIndex,\r
 199                                  const DMO_MEDIA_TYPE *pmt,\r
 200                                  uint32_t dwFlags);\r
 201     long (STDCALL *SetOutputType)(IMediaObject *This,\r
 202                                   uint32_t dwOutputStreamIndex,\r
 203                                   const DMO_MEDIA_TYPE *pmt,\r
 204                                   uint32_t dwFlags);\r
 205     long (STDCALL *GetInputCurrentType)(IMediaObject *This,\r
 206                                         uint32_t dwInputStreamIndex,\r
 207                                         DMO_MEDIA_TYPE *pmt);\r
 208     long (STDCALL *GetOutputCurrentType)(IMediaObject *This,\r
 209                                          uint32_t dwOutputStreamIndex,\r
 210                                          DMO_MEDIA_TYPE *pmt);\r
 211     long (STDCALL *GetInputSizeInfo)(IMediaObject *This,\r
 212                                      uint32_t dwInputStreamIndex,\r
 213                                      uint32_t *pcbSize,\r
 214                                      uint32_t *pcbMaxLookahead,\r
 215                                      uint32_t *pcbAlignment);\r
 216     long (STDCALL *GetOutputSizeInfo)(IMediaObject *This,\r
 217                                       uint32_t dwOutputStreamIndex,\r
 218                                       uint32_t *pcbSize,\r
 219                                       uint32_t *pcbAlignment);\r
 220     long (STDCALL *GetInputMaxLatency)(IMediaObject *This,\r
 221                                        uint32_t dwInputStreamIndex,\r
 222                                        REFERENCE_TIME *prtMaxLatency);\r
 223     long (STDCALL *SetInputMaxLatency)(IMediaObject *This,\r
 224                                        uint32_t dwInputStreamIndex,\r
 225                                        REFERENCE_TIME rtMaxLatency);\r
 226     long (STDCALL *Flush)(IMediaObject * This);\r
 227     long (STDCALL *Discontinuity)(IMediaObject *This,\r
 228                                   uint32_t dwInputStreamIndex);\r
 229     long (STDCALL *AllocateStreamingResources)(IMediaObject * This);\r
 230     long (STDCALL *FreeStreamingResources)(IMediaObject * This);\r
 231     long (STDCALL *GetInputStatus)(IMediaObject *This,\r
 232                                    uint32_t dwInputStreamIndex,\r
 233                                    uint32_t *dwFlags);\r
 234     long (STDCALL *ProcessInput)(IMediaObject *This,\r
 235                                  uint32_t dwInputStreamIndex,\r
 236                                  IMediaBuffer *pBuffer,\r
 237                                  uint32_t dwFlags,\r
 238                                  REFERENCE_TIME rtTimestamp,\r
 239                                  REFERENCE_TIME rtTimelength);\r
 240     long (STDCALL *ProcessOutput)(IMediaObject *This,\r
 241                                   uint32_t dwFlags,\r
 242                                   uint32_t cOutputBufferCount,\r
 243                                   DMO_OUTPUT_DATA_BUFFER *pOutputBuffers,\r
 244                                   uint32_t *pdwStatus);\r
 245     long (STDCALL *Lock)(IMediaObject *This, long bLock);\r
 246 \r
 247 } IMediaObject_vt;\r
 248 struct _IMediaObject { IMediaObject_vt* vt; };\r
 249 \r
 250 /* Implementation of IMediaBuffer */\r
 251 typedef struct _CMediaBuffer\r
 252 {\r
 253     IMediaBuffer_vt *vt;\r
 254     int i_ref;\r
 255     block_t *p_block;\r
 256     int i_max_size;\r
 257     vlc_bool_t b_own;\r
 258 \r
 259 } CMediaBuffer;\r
 260 \r
 261 CMediaBuffer *CMediaBufferCreate( block_t *, int, vlc_bool_t );\r